题文
—Where’s Mr. Yu, do you know? 一Well. it’s hard to say. But I saw him ______ a football game just now.
| A．was watching | B．watching | C．had watched | D．watched |
—Where’s Mr. Yu, do you know? 一Well. it’s hard to say. But I saw him ______ a football game just now.
| A．was watching | B．watching | C．had watched | D．watched |
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